Gate Valve Stuffing Box

The casing cover also includes the stuffing box or seal chamber.

Gate valve stuffing box.

S17 gate valve. It will also have packing nut threads or a gland nut. Low temperature carbon steel high temperature carbon steel. Supplied as a straight pattern body.

Product features a with spigot end connection on one side and flange connection to en 1092 2 on the other. Eyebolts remain fastened to the bonnet. The casing cover sometimes called a stuffing box extension encloses the back end of the casing. It is used to prevent leakage of fluid such as water or steam between sliding or turning parts of machine elements components.

For pn10 pressure rating with en 558 1 s 3 ftf dimension. This is because of friction between these packing rings and the stuffing box walls that prevents compression forces reaching the inward packing rings. For chemical plants petrochemical plants and offshore power plants including the new generation of power plants with temperatures up to 650 c. A boltless self sealing cover connection prevents corrosion.

Originally the ansi standards required that the minimum stuffing box packing size be 5 16 in 3 8 in or 7 16 in. However through years of experience it was found that the mechanical seal s outside diameter had too small. For pn10 pressure rating with en 558 1 s 14 ftf dimension. A stuffing box of a sailing boat will have a stern tube that is slightly bigger than the prop shaft.

Vag beta 200 gate valve stem body sliding washer wiper ring stem nut sliding cap wedge boltless cover connection o rings stem profiled seal. The design provides extra packing for a more reliable stem seal or sufficient depth for packing with an optional lantern ring in the middle. For chemical and petrochemical plants. For pn10 pressure rating with en 558 1 s 19 ftf dimension.

If not operated at intervals of one month or less it is recommended that regular inspection of the stuffing box should be made to verify tightness. Temperature rating 196 c up to 650 c. 900 4500. Haage valves with stuffing box are designed for high purity in their gas supply as well as for applications with low temperatures.

The stuffing box was designed to handle both mechanical seals and packing. Depending on pump size. When equipped with a lantern ring a tapped and plugged hole is provided. The eyebolts swing out of the way to simplify packing replacement and are oriented so they can be adjusted from one side of the valve.

When specified it can. In adjusting the stuffing box great care should. A low torque due to plastic sliding caps on the wedge and thus easy to operate. A stuffing box is an assembly which is used to house a gland seal.

The speaker mentioned that an ideal stuffing box contains 5 rings of packing and that deeper stuffing boxes are not preferred as only the two packing rings nearest the outside of the valve are fully compressed by the force from the packing follower. S15 gate valve. Haage valves with stuffing box convince with their high leak tightness and their virtually nonexistent need for maintenance. Gate valve with stuffing box seal.

150 2500. Our production range for non rising spindle gate valves with stuffing box. The packing is inside the gland nut and. Supplied as circular and flat types straight pattern body.